Mild atelectasis will typically resolve on its own. For more severe cases, however, patients may need treatment, which will differ depending on the underlying cause. For example, surgery can correct a condition due to a blockage; physicians may also prescribe medications to help loosen mucus. If the condition is due to pleural effusion or pneumothorax, the doctor may drain fluid or air from the chest using a needle or tube. Chest physiotherapy and breathing exercises may also help accelerate recovery.

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